From a mechanical viewpoint, up to 99% of the energy delivered by the rider into the pedals is transmitted to the wheels, although the use of gearing mechanisms may reduce this by 10-15%. In terms of the ratio of cargo weight a bicycle can carry to total weight, it is also a most efficient means of cargo transportation.

Votes:
2466

Bicycle

In many parts of the world, such as Europe and Asia, motor scooters are a popular form of urban transportation due to their low cost and easy driving position. For many people, a motor scooter is the family vehicle until sufficient funds to purchase an automobile are amassed.